Home / 13,291,216,031.92-18,337,896,131.82-7,652,286,899.68

Finding the Fourth Proportional to 13,291,216,031.92, 18,337,896,131.82 and 7,652,286,899.68

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Solution

The fourth proportional to 13,291,216,031.92, 18,337,896,131.82 and 7,652,286,899.68 is: 10,557,863,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,216,031.92 : 18,337,896,131.82 = 7,652,286,899.68 : x
  2. Step 2: Convert to fraction form
    13,291,216,031.92/18,337,896,131.82 = 7,652,286,899.68/x
  3. Step 3: Cross multiply
    13,291,216,031.92x = 18,337,896,131.82 × 7,652,286,899.68
  4. Step 4: Simplify right side
    13,291,216,031.92x = 140,326,842,337,218,740,224
  5. Step 5: Solve for x
    x = 140,326,842,337,218,740,224/13,291,216,031.92
  6. Step 6: Final answer
    x = 10,557,863,328.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.